| Rating | Solver | Clue |
|---|---|---|
| ASPS | Vipers | |
| ADDERS | Vipers | |
| VIPERINE | Of or pertaining to a viper or vipers; resembling a viper. | |
| VIPEROIDES | A division of serpents which includes the true vipers of the Old World and the rattlesnakes and moccasin snakes of America; -- called also Viperina. |